Choose one — • Boros Charm deals 4 damage to target player or planeswalker. • Permanents you control gain indestructible until end of turn. • Target creature gains double strike until end of turn.

All Slivers have "{T}: Regenerate target Sliver."

As this enchantment enters, choose a creature type. Creatures you control of the chosen type get +1/+1. {1}, Sacrifice a creature of the chosen type: Target creature you control gains indestructible until end of turn. (Damage and effects that say "destroy" don't destroy it.)

At the beginning of combat on your turn, target creature you control gains indestructible until end of turn. {1}{R}: This enchantment deals 1 damage to target blocking creature.

Equipped creature gets +1/+1 and is every creature type. Equip {2}

All Sliver creatures have "This creature gets +1/+1 as long as you control a Swamp." All Slivers have "{B}: Regenerate this permanent." (The next time it would be destroyed this turn, instead tap it, remove it from combat, and heal all damage on it.)

Equipped creature has hexproof and haste. (It can't be the target of spells or abilities your opponents control. It can attack and {T} no matter when it came under your control.) Equip {1} ({1}: Attach to target creature you control. Equip only as a sorcery.)

As this creature enters, choose a creature type. This creature is the chosen type in addition to its other types. Other creatures you control of the chosen type get +1/+1.

Sliver creatures you control have menace. (They can't be blocked except by two or more creatures.)

All Sliver creatures get +1/+0.

Sliver creatures you control have haste. (They can attack and {T} as soon as they come under your control.)

Sliver creatures you control have double strike. (They deal both first-strike and regular combat damage.)

All Sliver creatures get +2/+0.

Sliver creatures you control get +2/+0.

Sliver creatures you control have flying and haste.

All Sliver creatures have haste.

Create two 1/1 colorless Sliver creature tokens.

Changeling (This card is every creature type.) When this creature enters, create a 2/2 colorless Shapeshifter creature token with changeling.

Sliver creatures you control have first strike.

Sliver creatures you control have "When this creature enters, it deals 1 damage to target player or planeswalker and you gain 1 life."

Sliver creatures you control have afflict 2. (Whenever a creature with afflict 2 becomes blocked, defending player loses 2 life.) Whenever a nontoken Sliver you control dies, amass Slivers 2. (Put two +1/+1 counters on an Army you control. It's also a Sliver. If you don't control an Army, create a 0/0 black Sliver Army creature token first.)

Whenever a Sliver you control attacks, defending player loses 1 life.

As this creature enters, choose a creature type. This creature is the chosen type in addition to its other types. Each other creature you control of the chosen type enters with an additional +1/+1 counter on it.

All Sliver creatures get +0/+1.

Sliver creatures you control have vigilance. (Attacking doesn't cause them to tap.)

All Sliver creatures get +1/+1.

Sliver creatures you control have "Whenever this creature is dealt damage, it deals that much damage to target player or planeswalker."

Sliver creatures you control get +0/+1.

Sliver creatures you control have first strike. (They deal combat damage before creatures without first strike.)

Sliver creatures you control have lifelink. (Damage dealt by a Sliver creature you control also causes you to gain that much life.)

All Sliver creatures have first strike.

Sliver creatures you control have "Whenever this creature attacks, it deals 1 damage to any target."

All Sliver creatures have menace. (They can't be blocked except by two or more creatures.)

{T}: Add one mana of any color in your commander's color identity.

All Slivers have "Sacrifice this permanent: Add {B}{B}."

Each Sliver card in each player's hand has slivercycling {3}. Slivercycling {3} ({3}, Discard this card: Search your library for a Sliver card, reveal it, put it into your hand, then shuffle.)

Spree (Choose one or more additional costs.) + {1} — Search your library for a card, put it into your graveyard, then shuffle. + {2} — Return up to two creature cards with total mana value 4 or less from your graveyard to the battlefield.

You may look at the top card of your library any time. Once each turn, you may cast a creature spell with power 2 or less from the top of your library.

Sliver creatures you control have "Whenever this creature deals combat damage to a player, exile the top card of your library. You may play that card this turn."

As an additional cost to cast this spell, sacrifice a creature. Draw two cards.

Whenever one or more creatures you control deal combat damage to a player, you may sacrifice one of them. If you do, reveal cards from the top of your library until you reveal a creature card that shares a creature type with the sacrificed creature. Put that card onto the battlefield and the rest on the bottom of your library in a random order.

Sliver creatures you control have "{T}, Discard a card: Draw a card."

Choose a creature type. Target player draws X cards and loses X life, where X is the number of creatures they control of the chosen type.

Converge — You draw X cards and you lose X life, where X is the number of colors of mana spent to cast this spell.

At the beginning of your upkeep, you draw a card and you lose 1 life.

Sliver creatures you control have "When this creature enters, Slivers you control get +1/+1 until end of turn if you're the monarch. Otherwise, you become the monarch."

Return all creature and planeswalker cards with mana value X or less from your graveyard to the battlefield. Exile Ascend from Avernus.

{T}: Add {C}. {3}, {T}: Target creature with power 3 or less can't be blocked this turn.

{T}: Add {C}. {T}: Add {R} or {W}. This land deals 1 damage to you.

{T}: Add {C}. {T}: Add {W} or {B}. This land deals 1 damage to you.

This land enters tapped unless you control a Mountain or a Plains. {T}: Add {R} or {W}.

{T}: Add one mana of any color in your commander's color identity.

This land enters tapped unless you control a Swamp or a Mountain. {T}: Add {B} or {R}.

{T}, Sacrifice this land: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle.

{T}: Add one mana of any color that a land an opponent controls could produce.

As this land enters, you may reveal a Swamp or Mountain card from your hand. If you don't, this land enters tapped. {T}: Add {B} or {R}.

As this land enters, you may reveal a Mountain or Plains card from your hand. If you don't, this land enters tapped. {T}: Add {R} or {W}.

This land enters tapped unless you control a Plains or a Swamp. {T}: Add {W} or {B}.

({T}: Add {R}.)

This land enters tapped. {T}: Add {R}, {W}, or {B}.

({T}: Add {W}.)

As this land enters, choose a creature type. {T}: Add {C}. {T}: Add one mana of any color. Spend this mana only to cast a creature spell of the chosen type or activate an ability of a creature source of the chosen type.

{T}: Add {C}. {T}, Sacrifice this land: Search your library for a basic Mountain, Plains, or Swamp card, put it onto the battlefield tapped, then shuffle. Cycling {R}{W}{B} ({R}{W}{B}, Discard this card: Draw a card.)

As this land enters, you may reveal a Plains or Swamp card from your hand. If you don't, this land enters tapped. {T}: Add {W} or {B}.

({T}: Add {B} or {R}.) This land enters tapped unless you control two or more basic lands.

{T}: Add {C}. {T}: Add {B} or {R}. This land deals 1 damage to you.

({T}: Add {B}.)

{T}: Add {C}. {T}: Add {W} or {B}. Activate only if you control a Swamp.

{T}: Add {C}. {T}: Add {B} or {R}. Activate only if you control a Swamp.

{T}, Sacrifice this land: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle.

All Slivers have "{2}, Sacrifice this permanent: This permanent deals 2 damage to any target."

Choose two — • Destroy all artifacts. • Destroy all enchantments. • Destroy all creatures with mana value 3 or less. • Destroy all creatures with mana value 4 or greater.

Sliver creatures you control have "When this creature enters, you may exile target creature an opponent controls until this creature leaves the battlefield."

Crackling Doom deals 2 damage to each opponent. Each opponent sacrifices a creature with the greatest power among creatures that player controls.

Exile target permanent with mana value 4 or greater.

All Sliver creatures have provoke. (Whenever a Sliver attacks, its controller may have target creature defending player controls untap and block it if able.)

All Slivers have "{3}, Sacrifice this permanent: Destroy target permanent."

Choose one — • Rip Apart deals 3 damage to target creature or planeswalker. • Destroy target artifact or enchantment.